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Official data from INPI

INSTALAÇÃO PARA O CONTROLE DA PRESSÃO DE REGULAGEM DE UMA VÁLVULA DE SEGURANÇA.

ConcedidaInvention Patent

Application data

Number

PI8306087

Type

Invention Patent

Filing

11/07/1983

Publication

06/12/1984

Progress at the INPI

  1. Filing11/07/83
  2. Publication06/12/84
  3. Examination08/12/86
  4. Allowance
  5. Grant09/27/88
  6. Terminated05/09/95

The patent was granted on 09/27/1988 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. F. (pessoa física)

FR

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Inventors

C. J. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

82 18 880 · 11/10/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/27/1988

RPI 936

Notificação para pagamento de retribuição

#13.1

07/26/1988

RPI 927

Exigência - art. 36 da LPI

#6.1

10/13/1987

RPI 886

Solicitação de exame técnico

#4.1

08/12/1986

RPI 825

Publicação do pedido de patente

#3.1

06/12/1984

RPI 712

Pedido de patente depositado

#2.1

01/17/1984

RPI 691

Anuidade - prazo legal encerrado

#18.2

05/09/1995

RPI 1275

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